CN111834477A - Method for connecting flexible solar panel array and rigid fixed box plate - Google Patents
Method for connecting flexible solar panel array and rigid fixed box plate Download PDFInfo
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- CN111834477A CN111834477A CN202010500391.9A CN202010500391A CN111834477A CN 111834477 A CN111834477 A CN 111834477A CN 202010500391 A CN202010500391 A CN 202010500391A CN 111834477 A CN111834477 A CN 111834477A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 81
- 239000010959 steel Substances 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000002788 crimping Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
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- 229910052755 nonmetal Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/42—Arrangements or adaptations of power supply systems
- B64G1/44—Arrangements or adaptations of power supply systems using radiation, e.g. deployable solar arrays
- B64G1/443—Photovoltaic cell arrays
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a method for connecting a flexible solar panel array and a rigid fixed box plate. By using the method, the flexible solar cell panel array can be connected with the rigid fixed box plate under the alternating environment of high and low temperature of load and space, and the uniform tension is always kept, so that the rigidity and the fundamental frequency of the solar cell wing meet the use requirements. The method comprises the connection of a flexible solar panel array with an upper fixed box plate and a lower fixed box plate, a tensioning mechanism, a tensioning steel wire rope layout method, a connection method of a tensioning steel wire rope and an upper uniform load beam assembly, a spring stiffness method of the upper uniform load beam assembly and the lower uniform load beam assembly, a spring layout method of the upper uniform load beam assembly, a uniform load transmission method of a flexible belt and a connection method of the flexible belt and the solar panel array.
Description
Technical Field
The invention relates to the technical field of spacecraft solar wings, in particular to a method for connecting a flexible solar cell array plate array and a rigid fixed box plate.
Background
The solar cell panel substrate of the large flexible solar wing is usually made of non-metal materials such as polyimide, adhesive and the like, and the formed flexible solar cell panel array is long in length. Under the environment of high and low temperature in space, the flexible solar panel array is thermally deformed due to the high and low temperature. Therefore, a method for connecting the flexible solar panel array and the rigid fixed box plates on two sides needs to be formed, so that the flexible solar panel array has enough keeping rigidity in orbit to meet the requirement of spacecraft attitude orbit control.
The large-scale flexible solar wing technology is a space technology at a higher front edge, and a method for connecting a flexible solar panel array and rigid fixed box plates on two sides is not researched and described in detail at home and abroad at present.
Disclosure of Invention
The invention provides a method for connecting a large flexible solar wing solar panel array and rigid fixed box plates at two sides, which can compensate thermal deformation displacement generated by solar wings at high and low temperatures on an orbit and force deformation caused by tension of a tensioning steel wire rope and tension of a guiding steel wire rope.
The technical scheme of the invention is as follows: a method for connecting a flexible solar cell array plate array and a rigid fixed box plate is disclosed, wherein the flexible solar cell array comprises a flexible solar cell panel array consisting of flexible solar cell panels, an upper fixed box plate, a lower fixed box plate, a tensioning mechanism and a guide mechanism; the upper fixed box plate and the lower fixed box plate are respectively positioned at the moving end and the fixed end of the flexible solar panel array formed by the flexible solar panels; a guide steel wire rope on the guide mechanism penetrates through a hinge between the flexible solar cell panels to be connected with the upper fixed box plate, so that the flexible solar cell panel array formed by the flexible solar cell panels is orderly unfolded and folded; a flexible solar panel array consisting of flexible solar panels is tensioned by a tensioning steel wire rope on the tensioning mechanism to keep the shape and the rigidity;
the connection method of the flexible solar panel array and the upper fixed box plate and the lower fixed box plate is as follows:
1) the moving end of a flexible solar panel array consisting of flexible solar panels is connected with a tensioning steel wire rope through an upper uniform load beam, and the fixed end of the flexible solar panel array is connected with a lower fixed box plate through a screw through a lower uniform load beam;
2) two sets of tensioning mechanisms are arranged on one side of the upper fixed box plate, and the tensioning steel wire ropes penetrate through the upper fixed box plate and are connected with the upper uniform load beam; tensioning the head of the steel wire rope to be in compression joint with the steel pin; the tensioning steel wire rope connecting piece adopts a topological structure, so that the tensioning steel wire rope can be loaded from the side surface of the tensioning steel wire rope connecting piece, and the head of the tensioning steel wire rope is limited by being in compression joint with the steel column pin;
3) the upper uniform load beam is connected with the moving end of the flexible solar panel array through a plurality of upper uniform load beam springs and flexible belts; rigid pieces are pasted on the two sides of the spring hook positions of the flexible belt and the upper uniform load beam, and the rigid pieces penetrate through hollow rivets to realize that the flexible belt uniformly transfers and tensions the load of the steel wire rope; the flexible belt hinge hole is connected with the hinge hole at the edge of the moving end of the flexible solar panel array through a steel wire;
4) the lower uniform load beam is connected with a flexible solar panel array fixed end consisting of flexible solar panels through a plurality of lower uniform load beam springs and flexible belts; rigid pieces are pasted on the two sides of the spring hook positions of the flexible belts and the lower uniform load beam, and the rigid pieces penetrate through hollow rivets to realize that the flexible belts uniformly transfer the array load of the flexible solar panel; and the hinge holes at the edge of the fixed end of the flexible solar panel array consisting of the flexible belt hinge holes and the flexible solar panel are connected through steel wires.
The upper uniform load beam spring and the lower uniform load beam spring both adopt low-stiffness springs; and the rigidity of the spring of the lower uniform load beam is one fourth of that of the spring of the upper uniform load beam, and the lower uniform load beam is used for compensating the deformation displacement of the lower fixed box plate generated by the tension of the tensioning steel wire rope and the tension of the guiding steel wire rope.
When the upper load-sharing beam springs are assembled, the rigidity of the upper load-sharing beam springs selected at the position closer to the tensioning steel wire rope is lower according to the actual rigidity of each spring, so that the optimal tension load transmission of the tensioning steel wire rope is realized.
The tensioning steel wire rope is provided with tension by a low-rigidity spring of the tensioning mechanism, and the tension is uniformly transmitted to the flexible solar panel array through the upper uniform load beam, the upper uniform load beam spring and the flexible belt; the upper uniform load beam and the upper fixed box plate are pulled out by an external unfolding mechanism for a certain distance in the unfolding state of the flexible solar cell array, and the upper uniform load beam and the upper fixed box plate are used for compensating the deformation displacement of the upper fixed box plate generated by the tension of the tensioning steel wire rope and the tension of the guiding steel wire rope of the guiding mechanism and the thermal deformation of the flexible solar cell panel array formed by the flexible solar cell panels caused by high and low temperatures.
The upper uniform load beam spring and the flexible belt which are connected with one side of the upper uniform load beam and the lower uniform load beam spring and the flexible belt which are connected with one side of the lower uniform load beam are arranged in a staggered mode and do not interfere with each other in a furled state, so that furled thickness of a flexible solar cell panel array formed by the flexible solar cell panels is matched.
The invention has the beneficial effects that:
(1) the flexible solar panel array can be connected with the rigid fixed box plates on the two sides through the upper and lower load equalizing beams, the springs, the flexible belts and other parts;
(2) the connection of the tensioning steel wire rope and the upper uniform load beam is realized through the topological structure of the tensioning steel wire rope compression joint steel pin and the tensioning steel wire rope connecting piece;
(3) the flexible belt is connected with the moving end and the fixed end of the flexible solar panel array through the flexible belt and the hinge holes of the flexible solar panel array;
(4) according to the invention, the hollow rivets are mounted by sticking the rigid sheets on the flexible tapes, so that the uniform load transmission of the flexible tapes is realized;
(5) according to the invention, a certain distance is reserved between the upper uniform load beam and the upper fixed box plate to realize thermal deformation compensation of the solar panel array, and meanwhile, enough tension is provided to keep the solar panel array at a certain rigidity, so that the attitude orbit control requirement of a spacecraft is met;
(6) according to the invention, by adopting the method for configuring the mounting position of the upper uniform load beam spring, the optimal load transmission scheme of the tensioning mechanism to the flexible solar panel array can be realized;
(7) according to the invention, the tensioning mechanism is arranged on the upper fixed box plate, a certain distance is reserved between the upper uniform load beam and the upper fixed box plate, so that deformation displacement compensation can be realized for the upper fixed box plate with poor connection bending rigidity under the tension action of the tensioning steel wire rope and the guide steel wire rope;
(8) according to the invention, the beam springs are uniformly loaded under low rigidity, so that the deformation and displacement compensation of the lower fixed box plate with better connection bending rigidity under the tension action of the tensioning steel wire rope and the guide steel wire rope can be realized.
(9) According to the invention, the upper uniform load beam spring and the flexible belt connected with one side of the upper uniform load beam and the lower uniform load beam spring and the flexible belt connected with one side of the lower uniform load beam are arranged in a staggered manner, so that the upper uniform load beam spring and the flexible belt are not interfered with each other in a furled state, and the furled thickness of a flexible solar cell panel array consisting of flexible solar cell panels can be matched.
Drawings
Fig. 1 is an overall schematic view of the present invention applied to a large flexible solar cell wing.
FIG. 2 is a partial explosion effect diagram of the connection scheme of the tension steel wire rope and the upper uniform load beam.
FIG. 3 is a partial schematic view of the connection scheme of the lower load-sharing beam, the lower fixed box plate and the flexible solar panel array.
FIG. 4 is a schematic view of the mutual offset arrangement.
The attached drawings are as follows: 1-tensioning mechanism, 2-upper fixed box plate, 3-tensioning steel wire rope, 4-upper uniform load beam, 5-flexible solar panel array, 6-guiding steel wire rope, 7-lower uniform load beam, 8-lower fixed box plate, 9-guiding mechanism, 10-steel pin, 11-flexible belt, 12-rigid sheet, 13-hollow rivet, 14-upper uniform load beam spring, 15-steel wire, 16-tensioning steel wire rope connecting piece and 17-lower uniform load beam spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the flexible solar cell array generally comprises a flexible solar cell panel array composed of flexible solar cell panels 5, an upper fixed box plate 2, a lower fixed box plate 8, a tensioning mechanism 1 and a guiding mechanism 9. The upper fixed box plate 2 and the lower fixed box plate 8 are respectively positioned at the moving end and the fixed end of the flexible solar cell panel array formed by the flexible solar cell panels 5. The guide mechanism 9 guides the steel wire rope 6 to penetrate through the hinge between the flexible solar panels 5 to be connected with the upper fixed box plate 2, so that the flexible solar panel array formed by the flexible solar panels 5 is orderly unfolded and folded. The tensioning mechanism 1 tensions the steel wire rope 3 to tension and maintain the shape and the rigidity of a flexible solar panel array consisting of the flexible solar panels 5.
As shown in fig. 2, the moving end of the flexible solar panel array composed of the flexible solar panels 5 is connected with the tensioning steel wire rope 3 through the upper load-balancing beam 4, and the fixed end is connected with the lower fixed box plate 8 through the lower load-balancing beam 7 and the screw. Two sets of tensioning mechanisms are arranged on one side of the upper fixed box plate 2, and the tensioning steel wire rope 3 penetrates through the upper fixed box plate 2 to be connected with the upper load-sharing beam 3. The head of the tensioning steel wire rope 3 is pressed and connected with the steel pin 10. The tension steel wire rope connecting piece 16 adopts a topological structure, so that the tension steel wire rope 3 can be installed from the side surface of the tension steel wire rope connecting piece 16, and the head of the tension steel wire rope 3 is limited by the compression joint steel pin 10. The upper uniform load beam 4 is connected with the flexible solar panel array moving end formed by the flexible solar panel 5 through a plurality of upper uniform load beam springs 14 and flexible belts 11. Rigid pieces 12 are pasted on the two sides of the hook positions of the flexible belt 11 and the upper load balancing beam springs 14, and the rigid pieces 12 penetrate through hollow rivets 13 to enable the flexible belt 11 to evenly transmit the load of the tensioning steel wire rope 3. The hinge holes of the flexible belt 11 are connected with the hinge holes at the moving end edge of the flexible solar panel array formed by the flexible solar panels 5 through steel wires 15. When the upper uniform load beam spring 14 is assembled, the rigidity of the upper uniform load beam spring 14 selected at the position closer to the tensioning steel wire rope 3 is lower according to the actual rigidity of each spring, so that the optimal tension load transmission of the tensioning steel wire rope 3 is realized. The tensioning steel wire rope 3 is provided with tension by a low-rigidity spring of the tensioning mechanism 1, and is uniformly transmitted to a flexible solar panel array consisting of flexible solar panels 5 through an upper uniform load beam 4, an upper uniform load beam spring 14 and a flexible belt 11; under the unfolded state of the flexible solar cell array, the upper uniform load beam 3 and the upper fixed box plate 2 are pulled out by an external unfolding mechanism for a certain distance, and the flexible solar cell array thermal deformation composed of the upper fixed box plate 2 and the flexible solar cell panel 5 caused by high and low temperature due to the deformation displacement of the upper fixed box plate 2 generated by the tension of the tensioning steel wire rope 3 and the tension of the guide steel wire rope 6 guided by the guide mechanism 9 is compensated.
As shown in fig. 3, the lower uniform load beam 7 is connected to the fixed end of the flexible solar panel array formed by the flexible solar panels 5 through a plurality of lower uniform load beam springs 17 and the flexible belt 11. Rigid pieces 12 are pasted on two sides of the hook positions of the flexible belt 11 and the lower uniform load beam springs 17, and the rigid pieces 12 penetrate through hollow rivets 13 to enable the flexible belt 11 to uniformly transfer the flexible solar panel array load. The hinge holes of the flexible belt 11 are connected with the hinge holes at the fixed end edge of the flexible solar panel array formed by the flexible solar panel 5 through the steel penetrating wires 15. The upper uniform load beam spring 14 and the lower uniform load beam spring 17 both adopt low-rigidity springs, and the rigidity of the lower uniform load beam spring 17 is about one fourth of that of the upper uniform load beam spring 14, and the lower uniform load beam spring is used for compensating the deformation displacement of the lower fixed box plate 8 generated by the tension of the tensioning steel wire rope 3 and the tension of the guide steel wire rope 6.
As shown in fig. 4, the upper uniform load beam spring 14 and the flexible band 11 connected to one side of the upper uniform load beam 3 and the lower uniform load beam spring 17 and the flexible band 11 connected to one side of the lower uniform load beam 7 are arranged in a staggered manner, and they do not interfere with each other in the folded state, so as to match the folded thickness of the flexible solar cell panel array formed by the flexible solar cell panels 5.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A method for connecting a flexible solar cell array plate array and a rigid fixed box plate is disclosed, wherein the flexible solar cell array comprises a flexible solar cell panel array consisting of a flexible solar cell panel (5), an upper fixed box plate (2), a lower fixed box plate (8), a tensioning mechanism (1) and a guide mechanism (9); the upper fixed box plate (2) and the lower fixed box plate (8) are respectively positioned at the moving end and the fixed end of the flexible solar panel array formed by the flexible solar panels (5); a guide steel wire rope (6) on the guide mechanism (9) penetrates through a hinge between the flexible solar panels (5) to be connected with the upper fixed box plate (2), so that the flexible solar panel array formed by the flexible solar panels (5) is orderly unfolded and folded; a tensioning steel wire rope (3) on the tensioning mechanism (1) tensions a flexible solar panel array formed by flexible solar panels (5) to keep the shape and the rigidity;
the connection method of the flexible solar panel array and the upper fixed box plate (2) and the lower fixed box plate (8) is characterized by comprising the following steps:
1) the moving end of a flexible solar panel array consisting of flexible solar panels (5) is connected with a tensioning steel wire rope (3) through an upper uniform load beam (4), and the fixed end is connected with a lower fixed box plate (8) through a screw through a lower uniform load beam (7);
2) two sets of tensioning mechanisms (1) are arranged on one side of the upper fixed box plate (2), and a tensioning steel wire rope (3) penetrates through the upper fixed box plate (2) to be connected with the upper uniform load beam (3); tensioning the head of the steel wire rope (3) and crimping the steel pin (10); the tensioning steel wire rope connecting piece (16) adopts a topological structure, so that the tensioning steel wire rope (3) can be loaded from the side surface of the tensioning steel wire rope connecting piece (16) and the head of the tensioning steel wire rope (3) is limited by the compression joint steel pin (10);
3) the upper uniform load beam (4) is connected with the moving end of the flexible solar panel array through a plurality of upper uniform load beam springs (14) and flexible belts (11); rigid pieces (12) are pasted on the two sides of the hook positions of the flexible belt (11) and the upper uniform load beam spring (14), and the rigid pieces (12) penetrate through hollow rivets (13) to realize that the flexible belt (11) uniformly transfers the load of the tensioning steel wire rope (3); the hinge hole of the flexible belt (11) is connected with the hinge hole at the end edge of the flexible solar panel array moving end through a steel wire (15);
4) the lower uniform load beam (7) is connected with a flexible solar panel array fixed end formed by the flexible solar panel (5) through a plurality of lower uniform load beam springs (17) and flexible belts (11); rigid pieces (12) are pasted on the two sides of the hook positions of the flexible belt (11) and the lower uniform load beam springs (17), and the rigid pieces (12) penetrate through hollow rivets (13) to realize that the flexible belt (11) uniformly transfers the load of the flexible solar panel array; the hinge hole of the flexible belt (11) is connected with the hinge hole at the end of the fixed edge of the flexible solar panel array formed by the flexible solar panel (5) through a steel wire (15).
2. The method for connecting the flexible solar cell array plate array and the rigid fixed box plate as claimed in claim 1, wherein the method comprises the following steps: the upper uniform load beam spring (14) and the lower uniform load beam spring (17) both adopt low-stiffness springs; and the rigidity of the lower uniform load beam spring (17) is one fourth of that of the upper uniform load beam spring (14) and is used for compensating the deformation displacement of the lower fixed box plate (8) generated by the tension of the tensioning steel wire rope (3) and the tension of the guide steel wire rope (6).
3. The method for connecting the flexible solar cell array plate array and the rigid fixed box plate as claimed in claim 1, wherein the method comprises the following steps: when the upper uniform load beam spring (14) is assembled, the lower the stiffness of the upper uniform load beam spring (14) selected at the position closer to the tensioning steel wire rope (3) according to the actual stiffness of each spring, so that the optimal tension load transmission of the tensioning steel wire rope (3) is realized.
4. The method for connecting the flexible solar cell array plate array and the rigid fixed box plate as claimed in claim 1, wherein the method comprises the following steps: the tensioning steel wire rope (3) is tensioned by a low-rigidity spring of the tensioning mechanism (1) and is uniformly transmitted to the flexible solar panel array through the upper uniform load beam (4), the upper uniform load beam spring (14) and the flexible belt (11); under the unfolded state of the flexible solar cell array, the upper uniform load beam (3) and the upper fixed box plate (2) are pulled out for a certain distance by an external unfolding mechanism and used for compensating the deformation displacement of the upper fixed box plate (2) generated by the tension of the tensioning steel wire rope (3) and the tension of the guide steel wire rope (6) of the guide mechanism (9) and the thermal deformation of the flexible solar cell panel array formed by the flexible solar cell panels (5) caused by high and low temperatures.
5. The method for connecting the flexible solar cell array plate array and the rigid fixed box plate as claimed in claim 1, wherein the method comprises the following steps: the upper uniform load beam spring (14) and the flexible belt (11) connected with one side of the upper uniform load beam (3) and the lower uniform load beam spring (17) and the flexible belt (11) connected with one side of the lower uniform load beam (7) are arranged in a staggered mode, and are not interfered with each other in a furled state, so that the furled thickness of a flexible solar cell panel array formed by the flexible solar cell panels (5) is matched.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010500391.9A CN111834477B (en) | 2020-06-04 | 2020-06-04 | Method for connecting flexible solar panel array and rigid fixed box plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010500391.9A CN111834477B (en) | 2020-06-04 | 2020-06-04 | Method for connecting flexible solar panel array and rigid fixed box plate |
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| CN111834477A true CN111834477A (en) | 2020-10-27 |
| CN111834477B CN111834477B (en) | 2021-12-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537464A (en) * | 2020-12-03 | 2021-03-23 | 上海空间电源研究所 | Flexible solar cell wing |
| CN113623345A (en) * | 2021-06-29 | 2021-11-09 | 上海宇航系统工程研究所 | Long-life tensioning mechanism for flexible solar cell wing |
| CN115042443A (en) * | 2022-06-08 | 2022-09-13 | 上海航天设备制造总厂有限公司 | Method for manufacturing anti-escape cap |
| CN117526820A (en) * | 2024-01-08 | 2024-02-06 | 中成空间（深圳）智能技术有限公司 | Flexible photovoltaic cell system and control method thereof |
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| CN104443439A (en) * | 2014-11-18 | 2015-03-25 | 上海空间电源研究所 | Folding cell-built-in flexible solar cell array |
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| CN113623345A (en) * | 2021-06-29 | 2021-11-09 | 上海宇航系统工程研究所 | Long-life tensioning mechanism for flexible solar cell wing |
| CN115042443A (en) * | 2022-06-08 | 2022-09-13 | 上海航天设备制造总厂有限公司 | Method for manufacturing anti-escape cap |
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| CN117526820B (en) * | 2024-01-08 | 2024-04-16 | 中成空间（深圳）智能技术有限公司 | Flexible photovoltaic cell system and control method thereof |
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| CN111834477B (en) | 2021-12-07 |
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